PSCAAr Regional Air Quality Briefing for Highline Forum

• Which air pollutants and communities do we focus on, and why? • Where do priority air pollutants come from? How is overall air quality and air pollutant trends? • How does air quality in south King County compare with other areas? What are trends? • Ultrafine particle pollution and & upcoming UW study • Questions? Agency Mission We work to protect public health, improve neighborhood air quality, and reduce our region’s contribution to climate change. Everyone has the right to breathe clean air. Small size; Cardiac and Respiratory Effects Fine Particle Pollution Why focus on fine particle pollution (PM2.5) Most established health effects include: • Asthma aggravation • Reduced lung function • Heart attacks • Strokes • Premature death Well established – based on large body of evidence National Ambient Air Quality Standard (acute and chronic); local health goal

Notes

Puget Sound Clean Air, Highline Forum September 27, 2017, Kathy Strange, Manager, Technical Analysis

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